There are several primary areas that could be causing your computer to freeze up. The most likely reason is that Corruption within your registry keys
, registry classes, and registry settings,you have too many programs running behind the scenes and your system is essentially running in circles with its internal processing.
You need to run a self diagnostic program called regsitry cleaner.This program is very very useful,it can fix regsitry errors,clean registry remnant,corrupt files and temp files in a few minutes.Then give you a bran-new and high-speed computer.There are collection and comparison of top rated registry cleaner
.You can download and scan your computer for free.
or in other words: your computer is lagging and make sure you don't open too many windows at once.